Home / 1,550,120.05-2,139,173.98-852,445.85

Finding the Fourth Proportional to 1,550,120.05, 2,139,173.98 and 852,445.85

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Solution

The fourth proportional to 1,550,120.05, 2,139,173.98 and 852,445.85 is: 1,176,379.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,120.05 : 2,139,173.98 = 852,445.85 : x
  2. Step 2: Convert to fraction form
    1,550,120.05/2,139,173.98 = 852,445.85/x
  3. Step 3: Cross multiply
    1,550,120.05x = 2,139,173.98 × 852,445.85
  4. Step 4: Simplify right side
    1,550,120.05x = 1,823,529,981,678.98
  5. Step 5: Solve for x
    x = 1,823,529,981,678.98/1,550,120.05
  6. Step 6: Final answer
    x = 1,176,379.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.